Patents by Inventor Shigenobu Okada

Shigenobu Okada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Protective film forming method
    Patent number: 8310788
    Abstract: To provide a high-quality protection target by forming a protective film that is thin and excellent in corrosion resistance. Provided is a protective film forming method for forming a protective film at least on a surface of a protection target. The method comprises: a base film forming step for forming a base film on the surface of the protection target; and a DLC film forming step for forming a diamond-like carbon film on the base film. The base film forming step forms the base film on the surface of the protection target for a plurality of times by repeating a process of depositing the base film in a prescribed thickness and eliminating a part of or a whole part of the base film. Further, the method comprises, before the DLC film forming step, an insulating layer forming step for forming an insulating layer on the surface of the base film on which the diamond-like carbon film is to be formed.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: November 13, 2012
    Assignees: SAE Magnetics (H.K.) Ltd., Simadzu Corporation
    Inventors: Kunihiro Ueda, Hong Xin Fang, Dong Wang, Yoshiyuki Konishi, Satoko Ueno, Shigenobu Okada
  • Protective film forming method
    Publication number: 20090135521
    Abstract: To provide a high-quality protection target by forming a protective film that is thin and excellent in corrosion resistance. Provided is a protective film forming method for forming a protective film at least on a surface of a protection target. The method comprises: a base film forming step for forming a base film on the surface of the protection target; and a DLC film forming step for forming a diamond-like carbon film on the base film. The base film forming step forms the base film on the surface of the protection target for a plurality of times by repeating a process of depositing the base film in a prescribed thickness and eliminating a part of or a whole part of the base film. Further, the method comprises, before the DLC film forming step, an insulating layer forming step for forming an insulating layer on the surface of the base film on which the diamond-like carbon film is to be formed.
    Type: Application
    Filed: September 10, 2008
    Publication date: May 28, 2009
    Applicants: SAE Magnetics (H.K.) Ltd, SIMADZU CORPORATION
    Inventors: Kunihiro Ueda, Hong Xin Fang, Dong Wang, Yoshiyuki Konishi, Satoko Ueno, Shigenobu Okada